CN109037805A - A method of the battery system of control electric vehicle - Google Patents

A method of the battery system of control electric vehicle Download PDF

Info

Publication number
CN109037805A
CN109037805A CN201810887537.2A CN201810887537A CN109037805A CN 109037805 A CN109037805 A CN 109037805A CN 201810887537 A CN201810887537 A CN 201810887537A CN 109037805 A CN109037805 A CN 109037805A
Authority
CN
China
Prior art keywords
battery
battery pack
electric vehicle
incident heat
packs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810887537.2A
Other languages
Chinese (zh)
Inventor
龙舸
唐娇娇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha Longsheng Kps New Mstar Technology Ltd
Original Assignee
Changsha Longsheng Kps New Mstar Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changsha Longsheng Kps New Mstar Technology Ltd filed Critical Changsha Longsheng Kps New Mstar Technology Ltd
Priority to CN201810887537.2A priority Critical patent/CN109037805A/en
Publication of CN109037805A publication Critical patent/CN109037805A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298Processes for controlling fuel cells or fuel cell systems
    • H01M8/04313Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
    • H01M8/0438Pressure; Ambient pressure; Flow
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298Processes for controlling fuel cells or fuel cell systems
    • H01M8/04694Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2250/00Fuel cells for particular applications; Specific features of fuel cell system
    • H01M2250/20Fuel cells in motive systems, e.g. vehicle, ship, plane
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention provides a kind of methods of battery system for controlling electric vehicle, the battery system includes multiple battery packs, each battery pack includes pressure sensor and multiple battery units for being electrically connected, it is characterized in that, the method also includes: signal of the incident heat at least based on the pressure sensor from the first battery pack is detected, the first battery pack in multiple battery packs;In response to the incident heat detected, the first battery is cooled back into the second battery pack more than multiple battery packs.

Description

A method of the battery system of control electric vehicle
Technical field
The present invention relates to electric vehicle fields, in particular to a kind of method of battery system for controlling electric vehicle.
Background technique
Electric car refers to using vehicle power supply as power, with motor driven wheels travel, meets road traffic, security legislation The vehicle of requirements.It is started using the electricity stored in the battery.Use 12 or 24 pieces of batteries sometimes when driving automobile, Sometimes it then needs more.The composition of electric car includes: to be driven by electricity and the mechanical systems, complete such as control system, driving force transmission At the equipment etc. of assigned tasks.It is driven by electricity and control system is the core of electric car, and be different from I. C. engine steam The maximum difference of vehicle.It is driven by electricity and control system is by groups such as the speed-regulating control devices of drive motor, power supply and motor At.Other devices of electric car are substantially identical as internal-combustion engines vehicle.Power supply for the drive motor of electric car for providing The electric energy of power supply is converted mechanical energy by electric energy, motor.Most widely used power supply is lead-acid accumulator, but with electronic vapour The development of driving skills art, for lead-acid accumulator since energy is low, charging rate is slow, and the service life is short, gradually replaced other batteries.Just Mainly there are sodium-sulphur battery, nickel-cadmium cell, lithium battery, fuel cell etc., the application of these novel power supplies, for electricity in the power supply of development The development of electrical automobile opens wide prospect.
The control of battery system is the field that this field lacks research.
Summary of the invention
The invention proposes a kind of methods of battery system for controlling electric vehicle, which includes multiple batteries Group, each battery pack include pressure sensor and multiple battery units for being electrically connected, which is characterized in that the method is also It include: the signal for detecting incident heat at least based on the pressure sensor from the first battery pack, the first electricity in multiple battery packs Pond group;In response to the incident heat detected, the first battery is cooled back into the second battery pack more than multiple battery packs.
Further, cooling first battery reverse includes the cooling rate increase institute relative to second battery pack State the cooling rate of the first battery pack.
Further, increasing cooling rate includes increasing coolant relative to the coolant flow by the second battery pack to pass through The flow of first battery pack.
Further, the flowing for increasing coolant includes that coolant flow is redirected to the first battery from the second battery pack Group.
It further, further include message of the display about the incident heat detected in the display equipment of electric vehicle.
Further, display message includes the instruction that electric vehicle is exited in display.
It further, further include the position sent the information about the incident heat detected to outside electric vehicle.
Further, further includes: in response to detecting the incident heat, at least partly power off the electric vehicle.
Further, it includes predetermined after detecting the incident heat at least partly making the electric vehicle power-off The essentially all electric power from the battery system is closed after time quantum.
Specific embodiment
In order to enable the objectives, technical solutions, and advantages of the present invention are more clearly understood, below in conjunction with embodiment, to this Invention is further elaborated;It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, not For limiting the present invention.To those skilled in the art, after access is described in detail below, other systems of the present embodiment System, method and/or feature will become obvious.All such additional systems, method, feature and advantage are intended to be included in It in this specification, is included within the scope of the invention, and by the protection of the appended claims.In description described in detail below The other feature of the disclosed embodiments, and these characteristic roots will be apparent according to described in detail below.
Embodiment one.
The method that the present embodiment explains the battery system of the control electric vehicle, which includes multiple batteries Group, each battery pack include pressure sensor and multiple battery units for being electrically connected, which is characterized in that the method is also It include: the signal for detecting incident heat at least based on the pressure sensor from the first battery pack, the first electricity in multiple battery packs Pond group;In response to the incident heat detected, the first battery is cooled back into the second battery pack more than multiple battery packs.
Further, cooling first battery reverse includes the cooling rate increase institute relative to second battery pack State the cooling rate of the first battery pack.Increasing cooling rate includes increasing cooling relative to by the coolant flow of the second battery pack Agent passes through the flow of the first battery pack.The flowing for increasing coolant includes that coolant flow is redirected to first from the second battery pack Battery pack.It further include message of the display about the incident heat detected in the display equipment of electric vehicle.Show that message includes The instruction of electric vehicle is exited in display.It further include the position sent the information about the incident heat detected to outside electric vehicle It sets.Further include: in response to detecting the incident heat, at least partly power off the electric vehicle.At least partly make institute Stating electric vehicle power-off includes closing after detecting the predetermined time amount after the incident heat from the battery system Essentially all electric power.
Embodiment two.
A method of the battery system of control electric vehicle, the battery system includes multiple battery packs, each battery Group includes the multiple battery units being electrically coupled together, comprising: is connect from the one or more sensors for being coupled to each battery pack Receive data.The multiple battery pack, one or more of sensors include pressure sensor;Based on received data, inspection Survey the incident heat in the first battery pack of the multiple battery pack;And the second electricity in response to detection, relative to battery system The cooling rate of pond group improves the cooling rate of the first battery pack.It further include the pre- timing after detecting the incident heat The essentially all electric power from the battery system is closed after the area of a room.It further include being shown in response to detecting the incident heat Show about the instruction for exiting the vehicle.It further include in response to detecting incident heat, by the information about the incident heat detected It is transmitted wirelessly to the position far from electric vehicle.The received data packet, which includes, receives instruction one from first battery pack Or the data of the gas of multiple battery unit releases.Wherein, increasing cooling rate includes by coolant flow from second battery Group is redirected to first battery pack.
Embodiment three.
The present embodiment constructs a kind of electric vehicle, comprising: battery system, including multiple battery packs, each battery pack packet The multiple battery units for including pressure sensor and being electrically connected;Control system is configured as: at least based on from first Incident heat in the first battery pack of the signal of the pressure sensor of battery pack to detect multiple battery packs;In response to what is detected First battery is cooled back the second battery pack more than multiple battery packs by incident heat.Wherein each battery of the battery system Group further includes humidity sensor, and the control system is configured as the gas discharged based on instruction from least one battery unit The data of body detect the incident heat.Multiple battery units in first battery pack.Wherein, the control system is also matched It is set in response to detecting the incident heat, the information about detected incident heat is transmitted wirelessly to far from the electricity The position of motor-car.Wherein, the control system is additionally configured at least partly make in response to detecting the incident heat The electric vehicle power-off.Further include display device, the display device be configured to respond to detect the incident heat and Display is about the instruction for exiting the vehicle.
Although describing the present invention by reference to various embodiments above, but it is to be understood that of the invention not departing from In the case where range, many changes and modifications can be carried out.That is methods discussed above, system and equipment are examples. Various configurations can be omitted suitably, replace or add various processes or component.For example, in alternative configuration, can with institute The order in a different order of description executes method, and/or can add, and omits and/or combine the various stages.Moreover, about certain The feature of a little configuration descriptions can be combined with various other configurations.The different aspect and member of configuration can be combined in a similar way Element.In addition, technology develops, therefore, many elements are examples, are not intended to limit the range of the disclosure or claims.
Give detail in the description to provide to the thorough understanding for including the exemplary configuration realized.However, Configuration can be practiced without these specific details for example, having been illustrated with well-known circuit, and process is calculated Method, structure and technology are without unnecessary details, to avoid fuzzy configuration.The description only provides example arrangement, and unlimited The scope of the claims processed, applicability or configuration.It is used on the contrary, front will provide the description of configuration for those skilled in the art Realize the enabled description of described technology.It, can be to the function of element without departing from the spirit or the scope of the present disclosure It can and arrange and carry out various changes.
In addition, many operations can be in parallel or concurrently although each operation can describe the operations as sequential process It executes.Furthermore it is possible to rearrange the sequence of operation.One process may have other steps.Furthermore, it is possible to by hardware, it is soft Part, firmware, middleware, microcode, hardware description language or any combination thereof carry out the example of implementation method.When in software, firmware, When realizing in middleware or microcode, program code or code segment for executing necessary task can store to be situated between in such as storage In the non-transitory computer-readable medium of matter, and described task is executed by processor.
To sum up, be intended to foregoing detailed description be considered as it is illustrative and not restrictive, and it is to be understood that below Claim (including all equivalents) is intended to limit the spirit and scope of the present invention.The above embodiment is interpreted as only using In illustrating the present invention rather than limit the scope of the invention.After the content for having read record of the invention, technology Personnel can make various changes or modifications the present invention, these equivalence changes and modification equally fall into the claims in the present invention and limited Fixed range.

Claims (9)

1. a kind of method for the battery system for controlling electric vehicle, which includes multiple battery packs, each battery pack packet The multiple battery units for including pressure sensor and being electrically connected, which is characterized in that the method also includes: detection incident heat Signal at least based on the pressure sensor from the first battery pack, the first battery pack in multiple battery packs;In response to detection First battery is cooled back the second battery pack more than multiple battery packs by the incident heat arrived.
2. the method according to claim 1, wherein cooling first battery reverse includes relative to described the The cooling rate of two battery packs increases the cooling rate of first battery pack.
3. according to the method described in claim 2, it is characterized in that, increasing cooling rate includes relative to by the second battery pack Coolant flow increase coolant and pass through the flow of the first battery pack.
4. according to the method described in claim 3, it is characterized in that, the flowing for increasing coolant includes by coolant flow from second Battery pack is redirected to the first battery pack.
5. method as claimed in claim 4, which is characterized in that further include showing in the display equipment of electric vehicle about inspection The message of the incident heat measured.
6. method as claimed in claim 5, which is characterized in that display message includes the instruction that electric vehicle is exited in display.
7. method as claimed in claim 6, which is characterized in that further include sending the information about the incident heat detected to Position outside electric vehicle.
8. the method according to the description of claim 7 is characterized in that further include: in response to detecting the incident heat, at least portion Ground is divided to power off the electric vehicle.
9. according to the method described in claim 8, it is characterized in that, the electric vehicle power-off is at least partly made to be included in inspection It measures and closes the essentially all electric power from the battery system after the predetermined time amount after the incident heat.
CN201810887537.2A 2018-08-06 2018-08-06 A method of the battery system of control electric vehicle Withdrawn CN109037805A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810887537.2A CN109037805A (en) 2018-08-06 2018-08-06 A method of the battery system of control electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810887537.2A CN109037805A (en) 2018-08-06 2018-08-06 A method of the battery system of control electric vehicle

Publications (1)

Publication Number Publication Date
CN109037805A true CN109037805A (en) 2018-12-18

Family

ID=64649841

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810887537.2A Withdrawn CN109037805A (en) 2018-08-06 2018-08-06 A method of the battery system of control electric vehicle

Country Status (1)

Country Link
CN (1) CN109037805A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108263233A (en) * 2018-01-24 2018-07-10 北京新能源汽车股份有限公司 A kind of cooling system of vehicle and vehicle
US20180212288A1 (en) * 2016-12-07 2018-07-26 Proterra Inc. Thermal event detection and management system for an electric vehicle
CN207664202U (en) * 2017-12-20 2018-07-27 吉林大学 A kind of power battery thermal management system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180212288A1 (en) * 2016-12-07 2018-07-26 Proterra Inc. Thermal event detection and management system for an electric vehicle
CN207664202U (en) * 2017-12-20 2018-07-27 吉林大学 A kind of power battery thermal management system
CN108263233A (en) * 2018-01-24 2018-07-10 北京新能源汽车股份有限公司 A kind of cooling system of vehicle and vehicle

Similar Documents

Publication Publication Date Title
US10164298B2 (en) Power storage device, control method, control device, power storage system, maintenance system, electric vehicle, and electronic equipment
US8552686B2 (en) Battery control apparatus and method
CN110435478A (en) A kind of power battery charging system, charging method and electric car
US9069044B2 (en) Battery management system and method of controlling the same
CN106252788A (en) A kind of lithium battery low-temperature heating method and device thereof
US8471529B2 (en) Battery fault tolerant architecture for cell failure modes parallel bypass circuit
US9194919B2 (en) Electric storage device, electronic device, power system, and electric vehicle
EP3573174A1 (en) Battery pack heating apparatus and method of battery pack heating control
US9431849B2 (en) Method for controlling the temperature of at least one battery element, battery and motor vehicle with such a battery
CN109075592B (en) Battery pack charging system
KR100809453B1 (en) The monitering system for charging and discharging lithium rechargable battery pack
KR20150137677A (en) Method and apparatus for detecting condition of relay
CN112789780A (en) Battery equalization method, intelligent battery, charging system and storage medium
CN103855435A (en) Systems and methods for balancing a vehicle battery system
CN109964138B (en) Method and apparatus for classifying voltage fault conditions in an electrical storage system
CN103825253B (en) Battery of electric vehicle safety control and control method
CN204928285U (en) Banked battery's controlling means and electric motor car
Rahman et al. Wireless battery management system of electric transport
US11139514B2 (en) Battery pack heating apparatus for double vehicle heating and control method
KR20150067842A (en) Apparatus and Method for controlling cooler fan for battery
CN112349981A (en) Battery management system
CN109037805A (en) A method of the battery system of control electric vehicle
CN205900735U (en) Lithium ion power batteries protection device
CN202759263U (en) Intelligent charge-discharge equalizing circuit of batteries
CN111137174A (en) Method for controlling battery system of electric vehicle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20181218